- n=100-300k, 18k left (1750, 2308, 3496, 4302, 8770, 13108, 13548, 15610, 15930, 15976, 16542, 18390, 24796, 30006, 30060, 32488, 32908, 35010)
- runtime 9min46s-1h45min (AVX@3.9Ghz)

25518*931^26849+1 found by Ralfy
34488*931^29838+1 found by [SG-FC] hl
15718*931^30168+1 found by europe64
30922*931^30222+1 found by Ralfy
8380*931^31930+1 found by [SG-FC] hl
25516*931^33693+1 found by [SG-FC] hl
28972*931^35440+1 found by [SG-FC] hl
26602*931^44273+1 found by Mankka*
19410*931^46891+1 found by [SG-FC] hl
7258*931^49071+1 found by Thomas Turk
2362*931^53462+1 found by Ralfy
24162*931^54591+1 found by Ralfy
4992*931^61245+1 found by Timothy Dickey
8832*931^61468+1 found by Texas_Connection
35118*931^68086+1 found by [SG-FC] hl
23256*931^69463+1 found by Johnny Rotten
24790*931^70090+1 found by Ralfy
37660*931^74618+1 found by Ralfy
1696*931^91296+1 found by ardo
36568*931^97445+1 found by Texas_Connection
29638*931^98833+1 found by [SG-FC] hl
28870*931^99192+1 found by Ralfy
17070*931^101524+1 found by Drago75
3528*931^113828+1 found by kraDen
29142*931^134916+1 found by grcpool.5
7450*931^135660+1 found by Goldislops
5322*931^140221+1 found by Sightus@CAU
2302*931^140265+1 found by Sightus@CAU
7450*931^151964+1 found by Science United
3528*931^179134+1 found by DukeBox
7450*931^222032+1 found by Sightus@CAU
37770*931^224496+1 found by mikey
9550*931^238020+1 found by Ralfy
5322*931^253633+1 found by vaughan